13911703344 has 480 divisors, whose sum is σ = 51996672000. Its totient is φ = 3494534400.

The previous prime is 13911703331. The next prime is 13911703373. The reversal of 13911703344 is 44330711931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13911703299 and 13911703308.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9279907 + ... + 9281405.

It is an arithmetic number, because the mean of its divisors is an integer number (108326400).

Almost surely, 2^13911703344 is an apocalyptic number.

13911703344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13911703344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25998336000).

13911703344 is an abundant number, since it is smaller than the sum of its proper divisors (38084968656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13911703344 is a wasteful number, since it uses less digits than its factorization.

13911703344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 13911703344 in words is "thirteen billion, nine hundred eleven million, seven hundred three thousand, three hundred forty-four".